2499,2499,2501,2502,2503,2505,2507,2508,2510,2511,2511,2513,2512,2509,2508,2506,2503,2501,2499;1002,1004,1006,1006,1007,1007,1006,1005,1004,1003,1001,1001,999,1001,1003,1004,1004,1003,1002